{"id":214,"date":"2016-11-15T21:36:26","date_gmt":"2016-11-15T21:36:26","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/astronomy\/?post_type=chapter&p=214"},"modified":"2017-07-14T20:24:59","modified_gmt":"2017-07-14T20:24:59","slug":"introduction-to-other-worlds-an-introduction-to-the-solar-system","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/suny-geneseo-astronomy\/chapter\/introduction-to-other-worlds-an-introduction-to-the-solar-system\/","title":{"raw":"Introduction to Other Worlds: An Introduction to the Solar System","rendered":"Introduction to Other Worlds: An Introduction to the Solar System"},"content":{"raw":"Surrounding the Sun is a complex system of worlds with a wide range of conditions: eight major planets, many dwarf planets, hundreds of moons, and countless smaller objects. Thanks largely to visits by spacecraft, we can now envision the members of the solar system as other worlds like our own, each with its own chemical and geological history, and unique sights that interplanetary tourists may someday visit. Some have called these past few decades the \"golden age of planetary exploration,\" comparable to the golden age of exploration in the fifteenth century, when great sailing ships plied Earth\u2019s oceans and humanity became familiar with our own planet\u2019s surface.\r\n\r\nIn this chapter, we discuss our planetary system and introduce the idea of comparative planetology\u2014studying how the planets work by comparing them with one another. We want to get to know the planets not only for what we can learn about them, but also to see what they can tell us about the origin and evolution of the entire solar system. In the upcoming chapters, we describe the better-known members of the solar system and begin to compare them to the thousands of planets that have been discovered recently, orbiting other stars.\r\n\r\n[caption id=\"\" align=\"aligncenter\" width=\"949\"]\"Image Figure 1. \"Self-Portrait\" of Mars: <\/strong>This picture was taken by the Curiosity Rover on Mars in 2012. The image is reconstructed digitally from 55 different images taken by a camera on the rover\u2019s extended mast, so that the many positions of the mast (which acted like a selfie stick) are edited out. (credit: modification of work by NASA\/JPL-Caltech\/MSSS)[\/caption]","rendered":"

Surrounding the Sun is a complex system of worlds with a wide range of conditions: eight major planets, many dwarf planets, hundreds of moons, and countless smaller objects. Thanks largely to visits by spacecraft, we can now envision the members of the solar system as other worlds like our own, each with its own chemical and geological history, and unique sights that interplanetary tourists may someday visit. Some have called these past few decades the “golden age of planetary exploration,” comparable to the golden age of exploration in the fifteenth century, when great sailing ships plied Earth\u2019s oceans and humanity became familiar with our own planet\u2019s surface.<\/p>\n

In this chapter, we discuss our planetary system and introduce the idea of comparative planetology\u2014studying how the planets work by comparing them with one another. We want to get to know the planets not only for what we can learn about them, but also to see what they can tell us about the origin and evolution of the entire solar system. In the upcoming chapters, we describe the better-known members of the solar system and begin to compare them to the thousands of planets that have been discovered recently, orbiting other stars.<\/p>\n

\"Image<\/p>\n

Figure 1. “Self-Portrait” of Mars: <\/strong>This picture was taken by the Curiosity Rover on Mars in 2012. The image is reconstructed digitally from 55 different images taken by a camera on the rover\u2019s extended mast, so that the many positions of the mast (which acted like a selfie stick) are edited out. (credit: modification of work by NASA\/JPL-Caltech\/MSSS)<\/p>\n<\/div>\n\n\t\t\t

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